All States → Compare
Hemp Laws: Iowa vs Washington
Side-by-side comparison of hemp compound laws
Iowa and Washington differ on 3 of 8 hemp compounds. Overall, Iowa has more permissive hemp laws than Washington. Key differences: Delta-8 THC is legal with restrictions in Iowa but banned in Washington. Delta-9 THC (Hemp) is legal with restrictions in Iowa but banned in Washington. THCP is in a legal gray area in Iowa but banned in Washington. The 2026 federal hemp ban will have high impact on Iowa and low impact on Washington.
| Compound | Iowa | Washington |
|---|---|---|
| Delta-8 THC | ⚠️Restricted | ❌Banned |
| Delta-9 THC (Hemp) | ⚠️Restricted | ❌Banned |
| CBD | ✅Legal | ✅Legal |
| THCA | ❌Banned | ❌Banned |
| HHC | ❌Banned | ❌Banned |
| Delta-10 THC | ❌Banned | ❌Banned |
| THC-O | ❌Banned | ❌Banned |
| THCP | 🔶Gray Area | ❌Banned |